#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void menu()
{
    printf("**************\n");
    printf("****1.play****\n");
    printf("****0.exit****\n");
    printf("**************\n");
}

void game()
{
    int guess = 0;
    //生成随机数
    int ret = rand()%100+1;
    while(1)
    {
        printf("请猜数字：\n");
        scanf("%d",&guess);
        if(guess > ret)
        {
            printf("猜大了\n");
        }else if(guess < ret)
        {
            printf("猜小了\n");
        }else{
            printf("恭喜你，猜对了！\n");
            break;
        }
    }
}

int main()
{
    int input =0;
    srand((unsigned int)time(NULL));
    do
    {
        menu();
        printf("请选择：\n");
        scanf("%d",&input);
        switch(input)
        {
        case 1:
            game();
            break;
        case 0:
            printf("退出游戏\n");
            break;
        default:
            printf("输入错误，请重新输入！\n");
            break;
        }
    }while(input);
    
    return 0;
}